Armstrong Diecraft Heavy Duty C Clamp Drop Forged 12 5 Opening 12922

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  For sale is a Heavy Duty C-Clamp.  12-1/2" Maximum opening.  6-1/2"
  Throat depth.  19" X 10" Overall size of clamp body.	Several
  available.  All were manufactured either by Armstrong or Diecraft.
  All are drop forged construction, Made in the USA.  Thread lengths
  vary from 11" to 15".  Approximately 13 pounds net weight each.